Missing files from previous.

diff --git a/src/decryption_context.cc b/src/decryption_context.cc
new file mode 100644 (file)
index 0000000..1c1838a
--- /dev/null
+++ b/src/decryption_context.cc
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+#include "decryption_context.h"
+#include "exceptions.h"
+#include <asdcp/AS_DCP.h>
+#include <asdcp/KM_prng.h>
+
+using boost::optional;
+using namespace dcp;
+
+DecryptionContext::DecryptionContext (optional<Key> key)
+       : _decryption (0)
+{
+       if (!key) {
+               return;
+       }
+
+       _decryption = new ASDCP::AESDecContext;
+       if (ASDCP_FAILURE (_decryption->InitKey (key->value ()))) {
+               throw MiscError ("could not set up decryption context");
+       }
+}
+
+DecryptionContext::~DecryptionContext ()
+{
+       delete _decryption;
+}

diff --git a/src/decryption_context.h b/src/decryption_context.h
new file mode 100644 (file)
index 0000000..e3d3ce1
--- /dev/null
+++ b/src/decryption_context.h
@@ -0,0 +1,57 @@
+/*
+    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+#include "key.h"
+#include <boost/optional.hpp>
+
+namespace ASDCP {
+       class AESDecContext;
+}
+
+namespace dcp {
+
+class DecryptionContext
+{
+public:
+       DecryptionContext (boost::optional<Key> key = boost::optional<Key> ());
+       ~DecryptionContext ();
+
+       ASDCP::AESDecContext* decryption () const {
+               return _decryption;
+       }
+
+private:
+       ASDCP::AESDecContext* _decryption;
+};
+
+}